Volatility indicators highlight potential moves of a stock which can either move sharply in the updwards or downwards direction. This indicator allows stocks to be compared on a level playing field to highlight high and low volatility. Normally, falling markets are more likely to be volatile than a rising markets due to the emotion that gets tied to trading. Use volatility indicators in conjunction with other indicators to reduce exposure to false moves.

A technical indicator developed by Alexander Elder that measures the amount of buying and selling pressure in the market. This indicator consists of two separate indicators known as bull power and bear power. These figures allow a trader to determine the position of the price relative to a certain exponential moving average (EMA).